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Gas pump shutting off before tank full - 99 s70 na

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
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smacknab
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Gas pump shutting off before tank full - 99 s70 na

Post by smacknab » Thu Dec 26, 2019 2:11 pm

Hi all,

I just tried to fill my gas tank and it kept shutting the pump off after about 3-4 seconds of pumping. I haven't filled the car in a couple weeks as i recently had the car out of service taking the whole engine apart and putting it back together.

Probably more importantly, yesterday I pulled and replaced this broken portion of hose behind my fuel filter. Both sides of this hose looked like this. Any chance that this could've causes this?

Reading about others' problems it seems like people's carbon canisters get blocked and don't allow enough air out. Im assuming that's what this black box is, has anyone else ever had to clear this out?
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abscate
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abscate

Re: Gas pump shutting off before tank full - 99 s70 na

Post by abscate » Thu Dec 26, 2019 3:50 pm

That’s the canister shut off valve with the broken hose. It might be broken on the air side which won’t affect much. The rectangular black box is the carbon canister

Your fuel tank issue is caused by a bad head gasket, though.
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smacknab
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BEJinFbk
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Re: Gas pump shutting off before tank full - 99 s70 na

Post by BEJinFbk » Thu Dec 26, 2019 6:16 pm

There’s a small opening on the bottom of the filler
spout that detects fuel when it gets high enough
and automatically releases the handle latch.

Sometimes, pulling the nozzle back out of the
car’s filler neck just a little will prevent this feature
from shutting off the fuel pump’s valve prematurely.
Generally, just one nozzle spring “notch” will do.
'98 V70 R - Well Equipped for Life Up North... ;)

800artfreed
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Re: Gas pump shutting off before tank full - 99 s70 na

Post by 800artfreed » Thu Dec 26, 2019 9:19 pm

Abscate did you really mean a bad head gasket? Don't fuel fill issues relate to the EVAP system and venting the tank when filling?

Thanks.

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Re: Gas pump shutting off before tank full - 99 s70 na

Post by abscate » Thu Dec 26, 2019 9:41 pm

I was taking a terribly mean shot at Smacnab who just completed his heAd gasket job yesterday
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Re: Gas pump shutting off before tank full - 99 s70 na

Post by smacknab » Fri Dec 27, 2019 5:52 am

abscate wrote:
Thu Dec 26, 2019 9:41 pm
I was taking a terribly mean shot at Smacnab who just completed his heAd gasket job yesterday
I'd like to report harassment but I don't know who moderates the moderators lolol

Thanks for the tips everyone, I'll check that filler filter today!

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Re: Gas pump shutting off before tank full - 99 s70 na

Post by bronco » Fri Dec 27, 2019 6:39 am

abscate wrote:
Thu Dec 26, 2019 9:41 pm
I was taking a terribly mean shot at Smacnab who just completed his heAd gasket job yesterday

it seems like you needed to set this up a little more, it probably sailed over everyone's heads

Be Better!

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abscate
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Re: Gas pump shutting off before tank full - 99 s70 na

Post by abscate » Fri Dec 27, 2019 8:12 am

bronco wrote:
Fri Dec 27, 2019 6:39 am
abscate wrote:
Thu Dec 26, 2019 9:41 pm
I was taking a terribly mean shot at Smacnab who just completed his heAd gasket job yesterday

it seems like you needed to set this up a little more, it probably sailed over everyone's heads

Be Better!
#moderatorsmackdown

:D
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